Nikon-Ti/parfocal/Parfocal_setup.md

@@ -20,7 +20,7 @@ With ALF off when the lens is changed the lens is escaped to 500um, the turret r
 
 1. ALF Off on the RCP
 Initial Focus with the 40X Z=5279
-![ALF off](./media/ALF_on.mov)
+![ALF off](./media/ALF_on.mp4)
  a. Change to 60X    with side of Ti   Zf=5290
  b. Change from RCP                    Zf=5290  
  c. Change from Software TiPad         Z=5290, Zf=2000